What are immediate causes and contributory causes of disease?
(i) Immediate cause of disease are infectious organisms like virus, bacteria, fungi, protozoan etc.
(ii) Contributory causes of disease are :
(a) Poor health due to lack of good nourishment.
(b) Poor hygiene condition, economic condition due to which one does not get proper and sufficient food.
(c) Genetic difference which make some people more prone to disease than others.
In what type of disease you can be away from school for long time?
What are the different means by which infectious diseases are spread?
List the measures for preventing infectious diseases.
What precautions could you take in your school to reduce the incidence of infectious diseases?
